Ice pack



FIG. 1 is a front perspective view of an ice pack showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

The uneven-length broken lines immediately adjacent to the shaded area represent the bounds of the claimed design and form no part thereof. The even-length broken lines depicting the remainder of the ice pack form no part of the claimed design. 

CLAIM The ornamental design for an ice pack, as shown and described. 